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Find common denominators, then add or subtract. Show your work. Write your answers in simplest form.
1. Use the fraction strips to find 1 2 + 1 4 . Which strips help you see the common denominator? Write the sum as a fraction.
2. To add 1 3 + 1 6 , rewrite 1 3 with a denominator of 6. 1 3 = 2 6 , so 1 3 + 1 6 = 2 6 + 1 6 = ___.
3. Subtract: 5 6 - 1 4 . The least common denominator of 6 and 4 is 12. Rewrite both fractions with denominator 12, then subtract. 5 6 - 1 4 = 10 12 - 3 12 = ___.
4. Locate the sum of 1 4 + 3 8 on the number line. First rewrite 1 4 as eighths. What is the sum?
0 1/8 1/4 3/8 1/2 5/8 3/4 7/8 1 5/8 Answer:
5. Mateo hiked 2 and 1 2 miles on Saturday and 1 and 3 4 miles on Sunday. How many total miles did he hike over the weekend? Write your answer as a mixed number in simplest form.
6. Priya had 3 and 1 3 cups of flour. She used 1 and 2 3 cups to bake bread. How much flour does she have left? Show your work and write your answer as a mixed number or fraction in simplest form.
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